United States Stove C9947L User Manual

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Page 1

UNITED STATES

STOVE COMPANY

227 INDUSTRIAL PARK ROAD • P.O . BOX 151 • SOUTH PITTSB URG, TN. 37380 • (423)-837-2100

Natural Gas Model

C9947N

Propane (LPG) Gas Model

C9947L

Owner's Operation and Installation Manual

This appliance may be installed in an aftermarket* manufactured (mobile) home,

where not prohibited by state or local codes.

*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

This appliance is only for use with the type gas indicated on the rating plate. This appli-

ance is not convertible for use with other gases.

This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. Refer to "Adequate Combustion And Ventilation Air" on page(s) 6 of this manual.

WARNING:

Do not use a blower insert,

heat exchanger insert or other

accessories not approved

for use with this heater.

Save this manual for

future reference.

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.

~Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

~WHAT TO DO IF Y OU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

• If you cannot reach y our gas supplier, call the fire department.

~Installation and service must be performed by a qualified installer, service agency, or the gas supplier.

851371B 6/00

Page 2

TABLE OF CONTENTS

SECTION PAGE

IMPORTANT SAFETY INFORMA TION.......................................................3-4

PRODUCT FEATURES..................................................................................4

9947 SPECIFICA TIONS.................................................................................5

CONTENTS....................................................................................................5

ITEMS REQUIRED FOR INSTALLATION......................................................6

INSTALLATION...............................................................................................7

MANTEL CLEARANCES................................................................................8

GAS CONNECTION..................................................................................9-10

GAS PRESSURE CHECK.............................................................................10

FRONT SCREEN REMOVAL.......................................................................11

LOG ASSEMBLY...........................................................................................11

OPERA TING INSTR UCTIONS................................................................12-14

CLEANING / SER VICING.......................................................................14-15

FLAME APPEARANCE................................................................................15

PARTS LIST FOR HEATER ASSEMBL Y.................................................16-17

PARTS LIST FOR BURNER AND LOG ASSEMBLY...............................18-19

TROUBLE SHOOTING...........................................................................20-21

OPTIONAL EQUIPMENT ..............................................................................22

WIRING DIAGRAMS...............................................................................23-25

NOTES..........................................................................................................26

LIMITED WARRANTY POLICY ....................................................................27

NOTICE

Installation and repair must be done by a qualified service person. The appliance should be inspected before use and at least annually by a professional service person. More frequent cleaning may be required due to excessive lint from carpeting, bedding material, etc. It is imperative that control compartments, burners and circulating air passageways of the appliance be kept clean.

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IMPORTANT SAFETY INFORMATION

INSTALLER: Please leave these instructions with the owner. OWNER: Please retain these instructions for future reference. IMPORTANT: Read these instructions carefully before installing or trying to operate this heater. WARNING: Any change to this heater or its controls can be dangerous. Improper installation or

use of the heater can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning.

1. CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning are similar to the flu with headaches, dizziness and/or nausea. If you have these signs, obtain fresh air immediately. Have the heater serviced as it may not be operating properly.

2. The installation must conform with local codes or , in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1.

2. This heater shall not be installed in a bedroom or bathroom.

4. WARNING: Improper installation, adjustment, alteration, ser vice or maintenance can cause injury or property damage. Refer to this owner's manual. Installation and service must be performed by a qualified installer, service agency or the gas supplier.

5. To prevent malfunction and/or sooting, a vent-free gas heater should be cleaned at least annually by a professional service person. More frequent cleaning may be required due to excessive lint from carpeting, etc. It is imperative that control compartments, burners and circulating air passageways be kept clean.

Correct placement of the ceramic fiber logs is necessary to avoid problems with sooting. Sooting can settle on surfaces outside the heater and cause discoloration. See the appropriate sections of this manual for instructions.

WARNING: Do not allo w fans to b low directly into the fireplace . A v oid an y drafts that alter burner flame patterns. Do not place a blower inside burn area of firebox. Ceiling fans may create drafts that alter burner flame patterns. Sooting and improper burning will occur.

8. This is a vent-free gas fired heater. It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. Refer to installation guidelines.

Children and adults should be alerted to the hazard of high surface temperature and should stay away to avoid burns or clothing ignition.

10.

Young children should be carefully super vised when they are in the same room with the appliance.

11. Do not place clothing or other flammable material near the appliance.

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IMPORTANT SAFETY INFORMATION

13. Keep appliance area clear and free from combustible materials, gasoline and other flammable vapors and liquids.

15. Any safety screen or guard removed for servicing, must be replaced prior to heater operation.

16.

This vent-free gas heater is intended to be smokeless. If logs appear to smoke, turn off the heater and call a qualified service person. during the first four hours of operation.

17. Input ratings are shown in BTU per hour and are for elevations up to 2,000 feet. For elevations above 2,000 feet, input ratings s Refer to the National Fuel Gas Code.

18. The appliance and its appliance main gas shut off valve must be disconnected from the gas supply piping 2 psig (3.5 kPa).

19.

The appliance must be isolated from the gas supply piping system by closing its equipment shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5 kPa).

system during any pressure testing of that system at test pressures in excess of 1/

hould be reduced 4 percent per 1,000 feet above sea level.

Initial burn off may cause slight smoke and odor

CONTINUED

20. Do not use this heater if any part has been under water. Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control that has been under water.

PRODUCT FEATURES

Features:

• Heating Efficiency - 99.9%

• Wide BTU Range: 27,000-39,900.

• Safe Operation -

Oxygen Depletion Sensor (ODS).

• Fibre Ceramic Logs.

• 120 CFM Blower

• Push-Button Piezo Ignitor.

• Clean Operation.

• Easy Operation.

• Heats up to 1,200 square feet.

• Optional Remote Control, Wall Switch

and Wall Thermostat Kits

9947 Vent-free Gas Pedestal Heater

Figure 1.

Page 5

9947 SPECIFICATIONS

Natural Gas

Manifold Pressure Setting: 4" w.c. Gas Inlet Pressure: Maximum 10-1/2" w.c.

Minimum 5" w.c.

Model Number Type Max BTU/Hr Min BTU/Hr of Burners

9947N Manual 39,900 27,000 1

9947L Manual 39,900 27,000 1

Controls - Main control has 4 positions:

1. OFF - All gas to the gas logs is shut off at the control

2. IGN - Piezo ignitor allows ignition of the pilot without the use of matches or batteries

3. PILOT - Valve position to light/maintain a standing pilot

4. ON - Gas flow to complete system.

HIGH / LOW Control - Infinite control :

Rotate knob clockwise to LOW, counter clockwise to HIGH.

Propane/LPG

Manifold Pressure Setting: 10" w.c. Gas Inlet Pressure: Maximum 13" w.c.

Minimum 11" w.c.

Gas Rate Number

CONTENTS

9947L and 9947N Unvented Gas Heaters

1. Packet containing Homeowner's/Installation instructions.

2. Three (3) individually wrapped fiber ceramic logs , refer to installation instructions.

3. Unv ented gas heater.

CHECK THAT ALL LISTED PARTS HAVE BEEN RECEIVED

GLOVES ARE RECOMMENDED WHEN HANDLING CERAMIC FIBER LOGS TO PREVENT SKIN IRRITATION FROM LOOSE FIBERS. LOGS ARE FRAGILE, HANDLE WITH CARE.

Carefully inspect the contents for shipping damage and immediately inform

CAUTION

your dealer if any damage is found.

Page 6

ITEMS REQUIRED FOR INSTALLATION

Ensure that the following items are available before proceeding with installation:

• External regulator (for propane/LPG only) • Manual cutoff valve

• Piping which complies with local codes • Sediment trap

• Pipe sealant approved for use with • Pipe wrench propane / LPG (resistant to sulfur compounds)

CODES

Adhere to all local codes or in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSIZ223.1 or NFPA54 which can be obtained from:

American National Standards Institute, Inc. National Fire Protection Association, Inc.

1430 Broadway or Batterymarch Park

New York, NY 10018 Quincy, MA 02269

Due to high temperatures, do not install the heater:

• Where curtains, furniture, clothing or other flammable objects are less than 42" from the front of the heater.

• In high traffic areas.

• In windy or drafty areas.

WARNING

DO NOT PLA CE CLOTHING OF OTHER FLAMMABLE MATERIAL ON OR NEAR THE APPLIANCE.

ADEQUATE COMBUSTION AND VENTILATION AIR

This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air.

(a) Walls and ceiling exposed to the outside atmosphere have a continuous water vapor retarded with a rating of 1 perm (6 x 10 kg per pa-sec-m²) or less with openings gasketed or sealed , and (b) Weather stripping has been added on openable windows and doors, and (c) Caulking or sealants are applied to areas such as joints around window and door frames, between sole plates and floors, between wall-ceiling joints, between wall panels, at penetrations for plumbing, electrical, gas lines, and at other openings.

The National Fuel Gas Code defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 BTU per hour (4.8m³ per kw) of the aggregate input rating of all appliances installed in that space and an unconfined space is defined as a space whose volume is not less than 50 cubic feet per 1,000 BTU per hour (4.8m³ per kw) of the aggregate input rating of all appliances installed in that space. Rooms communicating directly with the space in which the appliances are installed, through openings not furnished with doors, are considered a part of that unconfined space.

Page 7

INSTALLATION

The following formula can be used to determine the maximum heater rating per the definition of unconfined space:

BTU/HR = (L1+L2) Ft x (W) Ft x (H) Ft x 1000

Consider two connecting rooms with an open area between, with the following dimensions:( See Fig. 2, Example)

L1=15-1/2 Ft., L2=12 Ft., W=12 ft., H=8Ft

=52800 BTU/HR

If there were a door between the two rooms the calculation would be based only on the room with the heater.

BTU/HR=(15-1/2) x (12) x (8) x 1000

=29760 BTU/HR

When installing the appliance directly on carpeting, tile or other combustible material, other than wood flooring, the appliance must be installed on a metal or wood panel extending the full width and depth of the appliance.

WARNING

FIGURE 2.

If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, Section 5.3, or applicable local codes.

WARNINGWARNING

Ensure the minimum clearances shown in FIGURE 3 are maintained for accessibility for purposes of servicing and proper operation. Left and right clearances are determined when facing the front of the heater.

Maintain these clearances to ensure adequate space around air opening for proper operation.

Minimum clearances to

combustibles:

Top of heater...............................36"

Right Side of heater.....................15"

Left Side of heater.........................8"

Front of heater.............................42"

FIGURE 3. Minimum Clearances

Rear of heater...............................4"

Page 8

MANTEL CLEARANCES

If placing a custom mantel above the heater, you must meet minimum clearances between mantel shelf and the top of the heater.

If your installation does not meet the below minimum clearances, you must:

• Raise the mantel to an acceptable height, OR

• Remove the mantel.

MINIMUM MANTEL CLEARANCES

Figure 4.

UNDERSIDE OF MANTEL SHELF

MANTEL SHELF

TOP OF HEATER

ALL MINIMUM

DISTANCES ARE

IN INCHES

DISTANCE TO

UNDERSIDE OF

MANTEL

BACK WALL

FLOOR

MINIMUM CLEARANCE

TO BACK WALL

Page 9

GAS CONNECTION

A qualified gas appliance installer must connect the fireplace to the gas supply. Consult all local codes.

NOTICE

Use new black iron or steel pipe only. Internally tinned copper tubing can be used in some areas when permitted by local codes. Only use pipe of 1/2" or greater diameter to allow full gas volume to heater. Excessive pressure loss will occur if the pipe is too small.

A manual shutoff valve, union and plugged 1/8" NPT pressure tapping point must be installed upstream of the heater (FIGURE 5).

CAUTION

A sediment trap must be installed upstream of the heater to prevent moisture and contaminants from passing through the pipe to the heater controls and burners.

Failure to do so could prevent the heater from operating reliably (FIGURE 5).

IMPORTANT: Loosen the pipe adapter

TO HEATER CONTROL VALVE

PIPE COUPLING

SEDIMENT TRAP

STAINLESS FLEXIBLE TUBE

PIPE

MANUAL SHUTOFF VALVE

TEE JOINT

PIPE NIPPLE

CAP

on the flex tube before installing to the system piping.

FIGURE 5. Gas Connection

CHECK GAS TYPE: The gas supply must be the same as stated on heater's rating plate. If the gas

supply is different, DO NOT INSTALL the heater. Contact your dealer for the correct model.

Connecting directly to an unregulated propane/LPG tank can cause an explosion.

WARNING

Page 10

GAS CONNECTION

The gas inlet connection is 3/8" NPT, made at the rear of the unit in the bottom left-hand corner.

Test all gas joints from the gas meter to the heater for leaks using soap and water solution after completing connection. DO NOT USE AN OPEN FLAME.

Gas Inlet Connection (3/8" NPT)

FIGURE 6. Rear View of 9947 Vent-Free Gas Heater

GAS PRESSURE CHECK

The heater regulator controls the burner pressure which should be checked at the pressure test point located on the front of the main control and is accessible by removing the control panel on the right side of the heater.

The pressure should be checked with the heater burning and the control set to high (HI). The pressure regulator is preset and locked to avoid tampering. If the pressure is not as specified

in Product Specifications (Page 5), contact your dealer and replace the regulator.

FIGURE 7. Pressure Test Point Location

Page 11

REMOVING FRONT SCREEN

REMOVING FRONT SCREEN: 1) Remove screw from the top of the screen (Fig. 8A). 2) Tilt the top of

the screen toward you slightly and lift the screen up out of the screen retainer (Fig. 8B). NOTE: To reinstall the front screen, reverse steps 1 & 2.

FIG. 8A FIG. 8B

LOG ASSEMBLY

LOG POSITIONING

Do not handle these logs with your bare hands! Always wear gloves to prevent skin irritation from ceramic fibers. After handling logs, wash your hands gently with soap and water to remove any traces of fibers.

PROPER INSTALLATION SEQUENCE:

WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury.

FIGURE 9. Log Set Assembly

The positioning of the logs is critical to the safe and clean operation of this heater . Sooting and other pr oblems may result if the logs are not properl y and firmly situated in the appliance. Never add additional logs or embellishments such as pine cones, vermiculite or rock wool to the heater .

WARNING

Page 12

OPERATING INSTRUCTIONS

Avoid any drafts that alter the burner flame patterns. Do not allow fans to blow directly into the heater. Do not place a blower inside burn area of firebox. Ceiling fans may create drafts that alter burner flame patterns. Sooting and improper burning will occur.

This vent-free gas heater is intended to be smokeless. If logs appear to smoke, turn off the heater and call a qualified service person. Initial burn off may cause slight smoke and odor during the first four hours of operation.

FOR YOUR SAFETY READ BEFORE LIGHTING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

WARNING

This appliance is equipped with an ignition device (Piezo) which automatically lights the pilot. If Piezo fails, then light the pilot using matches. Refer to match lighting instructions (page 14). When lighting the pilot, follow these instructions exactly.

BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

• Do not attempt to light any appliance.

• Do not touch any electric switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's

instructions.

• If you cannot reach your gas supplier, call the fire department.

Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don't try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.

Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

Page 13

OPERATING INSTRUCTIONS

LIGHTING INSTRUCTIONS

1. STOP! Read the safety information on the previous page.

2. Set the thermostat to lowest setting.

2. Turn off all electrical power and open the access door.

3. Push in gas control (B) slightly and turn clock wise to "OFF".

5. Push "ON / OFF" switch to "OFF" position.

NOTE: Knob cannot be turned from "PILOT" to "OFF" unless knob is pushed in slightly. Do not force.

6. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow "B" in the safety information on the previous page. If you don't smell gas, go on to the next step.

7. Depress knob (B) and turn gas control knob counter clockwise

8. Push in knob (B) all the way and hold in. Immediately light the pilot by pushing in on the piezo button (A). Continue to hold the control knob in for about one (1) minute after the pilot up. Pilot should remain lit. If it goes out, repeat steps 4 through 8.

to "Pilot".

is lit. Release knob and it will pop back

TOP VIEW OF BURNER ASSEMBLY

If the knob does not pop up when released, stop and immediately call your service technician or gas

supplier. If the pilot will not stay lit after several tries, turn control knob to "OFF" and call your gas supplier.

9. Turn valve knob clockwise to "ON".

10. Wait about one minute then turn burner switch (D) to "ON". It will take a few minutes for the thermopile located on top of the pilot to heat up.

NOTE: If unit is equipped with remote "on-off" wall switch, switch must be in "on" position for burner to light.

11. Adjust flame height with the high-low knob (C).

12. Turn on all electrical power to the appliance.

13. Close access door.

NOTE: It is normal for the new heater to give off some odor the first time it is burned. This is due to the curing of the paint and any undetected oil from the manufacturing process. It is recommended that you burn your new heater for at least two (2) hours the first time you use it. If optional fan kit is installed, leave it turned off for the break in period.

TURN OFF GAS TO APPLIANCE

1. Open access door.

2. Turn switch (D) to "OFF"

3. Unplug all electric power if service is to be performed.

4. Push in gas control knob slightly and turn clockwise to the "OFF" position.

5. Close access door.

Page 14

OPERATING INSTRUCTIONS

Wait 30 seconds before readjusting the heater when the control has been turned down to a lower setting.

WARNING

MATCH LIGHTING INSTRUCTIONS

If the pilot will not light using the piezo ignitor, you can light the pilot with a match. First, locate the pilot. The pilot is located between the two burner tubes on the right end (facing the unit), inside the firebox. To light pilot with a match, move the gas control (knob B, pg. 12) to the pilot position and hold down. Light match and place near pilot. Once pilot is lit, continue to hold the knob for about ten seconds. Then follow steps 7 thru 10 on page 12.

CHECKING FLAME APPEARANCE

Flames from the pilot, and burner should be visually checked when the heater is installed. In addition a periodic visual check of the flames should be made.

PILOT FLAME

The pilot flame should always be present when the heater is in operation and should just touch the top of the thermocouple tip (FIGURE 10).

If the pilot flame does not touch the thermocouple, then the main burner is unlikely to function reliably (FIGURE 11).

FIGURE 10. Pilot Flame

FIGURE 11. Incorrect Shape of Pilot Flame

CLEANING / SERVICING

Annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction and/or sooting.

WARNING

Remove front screen, (see page 11). Carefully lift screen from locating stubs and set aside during cleaning. Refer to instructions on page 11 for installation of screen. Do not operate the unit with the

screen removed.

Remove logs, handling carefully by holding gently at each end. Gloves are recommended to prevent skin irritation from ceramic. If the skin becomes irritated, wash gently with soap and water. Refer to manual for correct log placement.

Turn off heater and allow to cool before cleaning.

Page 15

CLEANING / SERVICING

Periodic Cleaning

• Do not use cleaning fluid to clean logs or any part of heater.

• Logs - Brush with soft bristle brush or vacuum with brush attachment.

• Vacuum loose particles and dust from the front and rear burner, control, and piezo.

• Inspect burner's and air intake hole. Remove lint or particles with vacuum.

• External case should be dusted and wiped with a wet soapy cloth.

Annual Cleaning/Inspection

• Inspect and clean burner air intake holes.

• Inspect and clean all burner ports.

• Inspect ODS pilot for operation and accumulation of lint at air intake holes.

• Verify flame pattern and log placement for proper operation.

• Verify smooth and responsive ignition of main burner and rear burner.

FLAME APPEARANCE

In normal operation at full rate after 15 minutes the following flame appearance should be observed.

FLAMES

The flames behind log #1, and in between log #2, should be yellow with a blue base. (See Below, Figure 12)

Figure 12. Flames - Natural Gas and LP Gas

Page 16

HEATER ASSEMBLY

Page 17

PARTS LIST

KEY PART NO. DESCRIPTION QTY.

1 24775 Pedestal 1 2 24776 Pedestal Tr im 1 3 24878 Pedestal Brace 1 4 69243 Firebox Bottom 1 5 24779 Firebox 1 6 69248 Firebox Inner Top 1 7 24782 Firebox Outer Top 1 8 24780 Front 1

9 24783 Blower Box 1 10 24784 Cabinet Back 1 11 24785 Right Side, Cabinet Door 1 12 24786 Left Side, Cabinet 1 13 24787 Control Cover Box 1 14 24879 Latch Bracket 1 15 24880 Front Screen Retainer 1 16 24790 Front Trim, Top & Bottom 2 17 24791 Front Trim, Side 2 18 24789 Cabinet Top 1 19 24792 Louver Frame 1 20 89933 Long Louver 2 21 89934 Short Louver 4 22 24795 Front Screen 1 23 24794 Side Screen 2 24 86483 Thermodisc Bracket 1 25 80381 Thermodisc 1

N/S 83351 #8 x 3/8 Hex Head Screw 2

26 89824 Latch 2 27 89811 Hinge 2 28 89943 Knob, Cabinet Door 1 29 24796 Support, Right Cabinet 1

N/S 83172 #10A x 1/2 Hex Head Screw 93

30 83888 120 CFM Blower 1 31 83278 #10 Flat Washer 4 32 83244 10-24 Kep Nut 4 33 80090 Rheostat w/Nut 1

• • Rheostat Knob (Included with Rheostat) 1

34 80232 Power Supply Cord 1

N/S 89390A Rubber Grommet 3 N/S 80109 Strain Relief Bushing 1 N/S 83005 #10-24 x 1/2 Machine Screw 5 N/S 80425 Wire Assembly (28" black wire) 1 N/S 80426 Wire Assembly (12" black wire) 1

N/S = Not Shown

Page 18

BURNER AND LOG ASSEMBLY

5 6

11 8

Page 19

PARTS LIST

KEY PART NO. DESCRIPTION QTY.

1 24777 BURNER PLATE 1 2 89920 BURNER 1 3 89921 "O.P. AMERICA" NAT. PILOT 1

• 89922 "O.P. AMERICA" L.P. PILOT 1

N/S 83172 #10A x 1/2 SCREW 7

4 89842 COMPRESSION SLEEVE 1 5 89841 COMPRESSION NUT 1 6 81201 PILOT TUBE 1 7 24788 CONTROL BRACKET 1 8 81198 CONTROL VALVE (NATURAL) 1

• 81202 CONTROL VALVE (L.P.) 1 9 83464 #10-32 x 3/8 MACHINE SCREW 4

10 89918 GAS LINE (NATURAL) 1

• 89923 GAS LINE (L.P.) 1 11 C42373 ROCKER SWITCH 1 12 80376 WIRE ASSEMBLY 2 13 89761 PIEZO IGNITOR 1 14 80423 PIEZO CABLE 1 15 81199 KNOB EXTENSION (ON / OFF) 1 16 81200 KNOB EXTENSION (HI / LOW) 1 17 24888 LOG SUPPORT 2 18 89940 FRONT LOG 1 19 89939 REAR LOG 1 20 89941 CROSS LOG 1

N/S = NOT SHOWN

Page 20

TROUBLE SHOOTING

Turn off and let cool before servicing. Only a qualified service person should service and repair heater.

WARNING

NOTE: All troubleshooting items are listed in order of operation.

OBSERVED PROBLEM

When ignitor button is pressed, there is no spark at ODS/Pilot.

Appliance produces unwanted odors.

Appliance shuts off in use.

Gas odor even when control knob is in OFF position.

• Ignitor electrode positioned wrong

• Ignitor electrode is broken

• Ignitor electrode not connected to ignitor cable.

• Ignitor cable pinched or wet keep ignitor cable dry.

• Broken ignitor cable

• Bad piezo ignitor

• Appliance burning vapors from paint, hair spray, glues, etc.

• Gas leak.

• Not enough fresh air is available for ODS/ Pilot to operate.

• Low line pressure.

• ODS/Pilot is partially clogged.

• Gas leak.

• Control valve defective.

REMEDYPOSSIBLE CAUSE

• Replace ignitor.

• Reconnect ignitor cable.

• Free ignitor cable if pinched by any metal or tubing.

• Replace ignitor cable.

• Replace piezo ignitor.

• Ventilate room. Stop using odor-causing products while heater is running.

• Locate and correct all leaks.

• Open window and/or door ventilation

• Contact local gas company.

• Clean ODS/Pilot.

• Locate and correct all leaks.

• Replace control valve.

When ignitor button is pressed, there is spark at ODS/Pilot, but no ignition.

ODS/Pilot lights, but flame goes out when control knob is released.

• Gas supply turned off or manual shutoff valve closed.

• Control knob not in PILOT position.

• Control knob not pressed in while in Pilot position

• Air in gas lines when installed.

• ODS/Pilot is clogged.

• Gas regulator setting is not correct.

• Control knob not fully pressed in.

• Control knob not pressed in long enough.

• Manual shutoff valve not fully open.

• Turn on gas supply or open manual shutoff valve.

• Turn control knob while in PILOT position.

• Press in control knob while in PILOT position.

• Continue holding down control knob. Repeat igniting operation until air is removed

• Replace ODS/pilot assembly or get is serviced

• Replace gas regulator.

• Press in control knob fully.

• After ODS/pilot lights, keep control knob pressed in 30 seconds.

• Fully open manual shutoff valve.

Page 21

TROUBLE SHOOTING

ODS/Pilot lights, but flame goes out When control knob is released. (continued from page 20)

One or both burner do not light after ODS/pilot is lit.

Burner backfires during combustion.

Slight smoke or odor during initial operation.

POSSIBLE CAUSEOBSERVED PROBLEM

• Thermocouple connection loose at control valve.

• Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This problem could be caused by either low gas pressure, or a dirty or partially clogged ODS/pilot.

• Thermocouple damaged.

• Control valve damaged.

• Burner orifice is clogged.

• Burner orifice diameter is too small.

• Inlet gas pressure is too low.

• Manifold pressure is too low.

• Burner orifice is clogged.

• Burner orifice is clogged or damaged.

• Burner is damaged.

• Gas regulator defective.

REMEDY

• Hand tighten until snug, then tighten 1/4 turn more.

• Contact local gas company.

• Replace thermocouple.

• Replace control valve.

• Clean burner or replace burner orifice.

• Replace burner orifice.

• Contact qualified service person.

• Contact local gas company.

• Clean burner or replace burner orifice.

• Replace burner.

• Replace gas regulator.

Logs appear to smoke after initial operation.

Heater produces a whistling noise when burner is lit.

No gas to pilot.

• Vapors from paint or curing process of logs.

• Turning control knob to HIGH position when burner is cold.

• Air in gas line.

• Dirty or partially clogged burner orifice.

• LP-regulator shut down due to inlet pressure too high.

• Problem will stop after a few hours of operation. Run the heater with the damper open if you have one, or open a window for the first few hours.

• Log heater is intended to be smokeless. Turn OFF heater and call qualified service person.

• Turn control knob to LOW position and let warm up for a minute.

• Operate burner until air is removed from line. Have gas line checked by local gas company.

• Clean burner or replace burner orifice.

• Verify LP tank regulator is installed and set to 11" to 13"w.c. Replace regulator on heater.

If the gas quality is bad, your pilot may not stay lit, the burners may produce soot and the heater may backfire when lit. If the gas quality or pressure is low, contact your local gas supplier immediately .

WARNING

Page 22

OPTIONAL EQUIPMENT

SKYTECH

INDICATOR

R E M O T E

OFF

SKYTECH

1001

MODEL: RCK60

REMOTE CONTROL KIT

MODEL: WSK60

WALL SWITCH KIT

SKYTECH

REMOTE

MODEL: WTK60

WALL THERMOSTAT KIT

60 70 80 90

2110 32 c

60 70 80 90

Page 23

WIRING DIAGRAM FOR BLOWER ASSEMBLY

1/4"FEMALE INS.

1/4" MALE INS.

WHITE

(NEUTRAL)

BLACK

(HOT)

BLOWER

RHEOSTAT

1/4"FEMALE INS.

1/4" MALE INS.

1/4" FEMALE INS.

1/4"FEMALE INS.

BLACK

THERMODISC

GREEN

(GROUND)

80426 (12") 80425 (28")

1/4"FEMALE INS.

WIRING DIAGRAM FOR GENERATOR ASSEMBLY

THERMOPILE

CONTROL

WIRING

TERMINALS

ROCKER SWITCH

Page 24

WIRING GUIDE FOR 9947

The following Wiring Guide is to help assist in the wiring of any combination of the Optional Kit listed below:

RCK60 - REMOTE CONTROL KIT WSK60 - WALL SWITCH KIT WTK60 - WALL THERMOSTAT KIT

IMPORTANT: Before ordering or installing any to the available kits, remember the following...

1) Not all Optional Kits will work together. Example: The (RCK60) Remote Control Kit, the (WSK60) Wall Switch Kit, and the (WTK60) Wall Thermostat Kit cannot be used at the time.

2) When using any of the three Optional Kits listed above, the Rocker Switch on the unit must be set to "OFF".

3) If you choose to use any combination of the above Optional Kits, only one of those kits can be used at a time. Example: If you have the Optional Remote Control Kit and the Optional Wall Switch Kit, operation of the unit must be controlled by one or the other. If you want to use the remote control, simply turn the Wall Switch to "OFF".

STANDARD WIRING FROM FACTORY:

CONTROL V ALVE

ROCKER SWITCH

WIRING OF THE RCK60 - REMOTE CONTROL KIT:

REMOTE CONTROL

SENSOR

CONTROL V ALVE

ROCKER SWITCH

PIGGYBACK DISCONNECT

WIRING WITH THE WTK60 - WALL THERMOSTAT KIT:

WALL

THERMOSTAT

CONTROL V ALVE

Remember the Rocker Switch must be turned to "OFF" while using the Remote Control.

Remember the Rocker Switch must be turned to "OFF" while using the Wall Thermostat.

ROCKER SWITCH

PIGGYBACK DISCONNECT

Page 25

WIRING WITH THE WSK60 - WALL SWITCH KIT:

WALL SWITCH

Remember the Rocker Switch must be turned to "OFF" while using the Wall Switch.

CONTROL V ALVE

ROCKER SWITCH

PIGGYBACK DISCONNECT

WIRING WITH THE WTK60 - WALL THERMOSTAT KIT AND

THE RCK60 - REMOTE CONTROL KIT:

Note: When combining these Optional kits, only one kit can be used at a time. Example: If you want to control the operation of this unit with the Remote Control then you must turn the Wall Thermostat "OFF". When trying to use two Optional kits at once, one will always override the other.

REMOTE CONTROL

WALL

THERMOSTAT

SENSOR

PIGGYBACK DISCONNECT

CONTROL V ALVE

ROCKER SWITCH

WIRING WITH THE WSK60 - WALL SWITCH KIT AND

THE RCK60 - REMOTE CONTROL KIT:

Note: When combining these Optional kits you must remember that only one of them can be used at a time. Example: If you want to control the operation of this unit with the Remote Control then you must turn the W all Switch "OFF". When trying to use two Optional kits at once, one will always override the other.

WALL

SWITCH

PIGGYBACK DISCONNECT

CONTROL V ALVE

REMOTE CONTROL

SENSOR

ROCKER SWITCH

For further information, contact our Customer Service Department at United States Stove Compan y, 227 Industrial Park Road, P.O. Box 151, South Pittsburg, Tn. 37380. (423)837-2100

Page 26

NOTES

Page 27

LIMITED W ARRANTY POLICY

This vent-free gas heater is warrantied for a period of one year, logs for one year, and burners for One Year, from date of purchase against defects in material or workmanship. This warranty covers only the cost of defective parts and applies only to the original consumer purchaser. The replacement of defective parts will be without charge. This warranty does not extend to (1) heater damage by accident, neglect, misuse, abuse, alteration, negligence of others, including the installation thereof by unqualified installers, (2) the costs of removal, reinstallation or transportation of defective parts on the heater, or (3) incidental or consequential damage.

THIS WARRANTY IS EXPRESSLY IN LIEU OF OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTY OF MERCHANTABILITY OF FITNESS FOR PURPOSE AND OF ALL OTHER OBLIGATIONS OR LIABILITIES, UNITED STATES STOVE COMPANY DOES NOT ASSUME FOR IT, ANY OTHER OBLIGATION OR LIABILITY IN CONNECTION WITH THE SALE OR USE OF THIS HEATER.

The heater (MUST BE INSTALLED BY A QUALIFIED INSTALLER) in accordance with the instructions furnished with the unit. The defective heater should be returned at your expense to the dealer from whom the product was purchased or an authorized service agent. Any products presented for warranty repair must be accompanied by a dated proof of purchase. Since some states do not allow the exclusion on limitation of incidental or consequential damages, or on how long an implied warranty lasts, the above limitations may not apply to you.

Page 28

OWNERS MANUAL

HOW TO ORDER REPAIR PARTS OR "OPTIONS"

THIS MANUAL WILL HELP YOU TO OBTAIN EFFICIENT, DEPENDABLE SERVICE FROM THE FURNACE, AND ENABLE YOU TO ORDER REPAIR PARTS CORRECTLY.

KEEP IN A SAFE PLACE FOR FUTURE REFERENCE. WHEN WRITING, ALWAYS GIVE THE FULL MODEL NUMBER WHICH IS

ON THE NAME PLATE ATTACHED TO THE BACK OF THE HEATER. WHEN ORDERING REPAIR PARTS OR OPTIONS, ALWAYS GIVE THE

FOLLOWING INFORMATION AS SHOWN IN THIS LIST:

1. The PART NUMBER

2. The PART DESCRIPTION

3. The MODEL NUMBER: 9947N / 9947L

4. The SERIAL NUMBER

BEFORE INSTALLING YOUR HEATER, FILL IN THE SERIAL NUMBER IN THE SPACE PROVIDED ABOVE FOR YOUR RECORDS.

UNITED STATES STOVE COMPANY

227 Industrial Park Rd., P.O. Box 151

South Pittsburg, TN 37380

(423) 837-2100

Page 29

REMOVING FRONT SCREEN

1) Lift the front screen slightly up (Fig. 2A) and then tilt the bottom of the screen inward and downward (Fig. 2B). 2) Lean the top of the screen toward you slightly (Fig. 2B) and then proceed to carefully bring the screen straight back (Fig. 2C). NOTE: To reinstall the front screen, reverse steps 1 & 2.

FIG 2A

FIG 2B FIG 2C

LOG ASSEMBLY

LOG POSITIONING

This unit is supplied with a set of four ceramic fiber logs. Do not handle these logs with your bare hands! Always wear gloves to prevent skin irritation from ceramic fibers. After handling logs, wash your hands gently with soap and water to remove any traces of fibers.

PROPER INSTALLATION SEQUENCE:

1. Install the rear log (#2) on the rear set of locators. Visually check to verify the log is securely placed on the locators.

2. Install the front log (#1) on the front locators. Visually check to verify the log is securely placed on the locators.

3. Install the left and right cross twigs as illustrated, on the locator pins provided in the front and rear logs. Holes provided in the bottom of the cross twigs should allow them to seat completely over these pins.

WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater

may result in property damage or personal injury.

FIGURE 8. Log Set Assembly

The positioning of the logs is critical to the safe and clean operation of this heater. Sooting and other problems may result if the logs are not properly and firmly situated in the appliance. Never add additional logs or embellishments such as pine cones,

vermiculite or rock wool to the heater.

WARNING

FRONT SCREEN

The front screen must be in place at all times when the appliance is operating. Do not obstruct the screened openings of the heater.

Page 30

OPERATING INSTRUCTIONS

FOR YOUR SAFETY READ BEFORE LIGHTING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

WARNING

This appliance is equipped with an ignition device (piezo) which automatically lights the pilot. If piezo fails, then light the pilot using matches. Refer to match lighting instructions (page 13). When lighting the pilot, follow these instructions exactly.

BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

• Do not attempt to light any appliance.

• Do not touch any electric switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

• If you cannot reach your gas supplier, call the fire department.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

Page 31

OPERATING INSTRUCTIONS

LIGHTING INSTRUCTIONS

1. STOP! Read the safety information on the previous page.

2. Turn off all electrical power and open the access door.

3. Turn off the rear burner and set the front burner to low.

4. Push in gas control (knob 1) slightly and turn clockwise to "OFF".

Meritik

OFF

1. PILOT

KNOB 3

MAXITROL

PILOT

3. REAR BURNER

OFF

KNOB 1

MIN

MAX

2. FRONT BURNER

KNOB 2

NOTE: Knob cannot be turned from "PILOT" to "OFF" unless knob is pushed in slightly. Do not force.

5. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow "B" in the safety information on the previous page. If you don't smell gas, go on to the next step.

PILOT LOCATION

TOP VIEW OF BURNER ASSEMBLY

6. Push in the control (knob 1) all the way and rotate counterclockwise to "PILOT". The piezo ignitor will light the pilot as the knob passes "IGN" traveling to the "PILOT". Con tinue to hold the control (knob 1) in for about ten (10) seconds after the pilot is lit. Release knob and it should pop back up. Pilot should remain lit. If it goes out, repeat steps 4 through

6. If the control (knob 1) does not pop up when released, stop and immediately call your ser vice technician or gas supplier. If the pilot will not stay lit after several tries, turn the gas control (knob 1) to "OFF" and call your service technician or your gas supplier.

7. Turn gas control (knob1) counterclockwise to "ON".

8. Set the front burner (knob 2) to the desired setting rotating counterclockwise to

MAX. and clockwise to MIN.

9. Set the rear burner (knob 3) to the desired setting rotating counterclockwise to

MAX./ ON or MIN.

10. Close access door and turn on electrical power.

TURN OFF GAS TO APPLIANCE

1. Open access door.

2. Set front burner to Min. and turn off the rear burner by depressing knob and rotating clockwise until stop.

3. Unplug all electric power (optional blower) if service is to be performed.

4. Push in gas control knob slightly and turn clockwise to "OFF". Do not force.

5. Close access door.

Page 32

OPERATING INSTRUCTIONS

Wait 30 seconds before readjusting the heater when the control has been turned down to a lower setting.

WARNING

MATCH LIGHTING INSTRUCTIONS

If the pilot will not light using the piezo ignitor, you can light the pilot with a match. First, locate the pilot. The pilot is located between the two burner tubes on the right end (facing the unit), inside the firebox. To light pilot with a match, move the gas control (knob 1, pg. 12) to the pilot position and hold down. Light match and place near pilot. Once pilot is lit, continue to hold the knob for about ten seconds. Then follow steps 7 thru 10 on page 12.

CHECKING FLAME APPEARANCE

Flames from the pilot, front and rear burner should be visually checked when the heater is installed. In addition a periodic visual check of the flames should be made.

PILOT FLAME

The pilot flame should always be present when the heater is in operation and should just touch the top of the thermocouple tip (FIGURE 9).

If the pilot flame does not touch the thermocouple, then the main burner is unlikely to function reliably (FIGURE 10).

FIGURE 9. Pilot Flame

FIGURE 10. Incorrect Shape of Pilot Flame

CLEANING / SERVICING

Annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction and/or sooting.

WARNING

Remove front screen, (see page 6). Carefully lift screen from locating stubs and set aside during cleaning. Refer to instructions on page 6 for installation of screen. Do not operate the unit with the screen

removed.

Turn off heater and allow to cool before cleaning.

Page 33

CLEANING / SERVICING

Periodic Cleaning

• Do not use cleaning fluid to clean logs or any part of heater.

• Logs - Brush with soft bristle brush or vacuum with brush attachment.

• Vacuum loose particles and dust from the front and rear burner, control, and piezo.

• Inspect burner's and air intake hole. Remove lint or particles with vacuum.

• External case should be dusted and wiped with a wet soapy cloth.

Annual Cleaning/Inspection

• Inspect and clean burner air intake holes.

• Inspect and clean all burner ports.

• Inspect ODS pilot for operation and accumulation of lint at air intake holes.

• Verify flame pattern and log placement for proper operation.

FLAME APPEARANCE

• Verify smooth and responsive ignition of main burner and rear burner.

In normal operation at full rate after 15 minutes the following flame appearance should be observed.

FLAMES

The flames behind log #1, and in front of log #2, should be yellow with a blue base. The flames should

not be impinging on the small cross twigs. (See Below, Figure 11)

FIGURE 11. Flames - Natural Gas and LP Gas

Page 34

HEATER ASSEMBLY REPLACEMENT PARTS

Page 35

PARTS LIST FOR HEATER ASSEMBLY

KEY PART # DESCRIPTION QTY.

1 69113 CABINET TOP WELDMENT 1 2 69134 FIREBOX BACK WELDMENT 1 3 69065 FIREBOX TOP WELDMENT 1 4 69102 INSIDE BACK WELDMENT 1 5 69070 FIREBOX WELDMENT 1 6 24469 FIREBOX BOTTOM 1 7 69084 PEDESTAL WELDMENT 1 8 24455 PEDESTAL BASE 1

9 24457 CONTROL DOOR 1 10 89899 BRASS KNOB 1 11 83323 8-32 x 3/8 PH MACHINE SCREW 1 12 24536 FRONT SCREEN (PAINTED) 1 13 89825 BRASS TRIM 2

N/S 89824 MAGNETIC LATCH 1 N/S 83172 #10A x 1/2 HX W SM SCREWS 58

N/S = NOT SHOWN

IMPORTANT NOTICE: WHEN ORDERING CABINET PARTS, PLACE THE APPROPRIATE CODE AFTER THE PART NUMBER THAT CORRESPONDS TO THE COLOR OF YOUR UNIT.

ALMOND = A CHARCOAL GRAY = C GREEN = G

Page 36

BURNER & LOG ASSEMBLY

Page 37

PARTS LIST FOR GAS LOG ASSEMBLY

KEY PART # DESCRIPTION QTY.

1 24610 BURNER PLATE 1

2 24611 CONTROL BRACKET 1

3 81189 CONTROL VALVE (NATURAL) 1

81190 CONTROL VALVE (L.P.) 1 4 83251 10-24 x 1 SL ROD 2 5 83244 10-24 KEP NUT 2

N/S 83343 #10 X 1/2 HX HD SCREW 8

6 89831 BURNER/CONTROL FITTING 1 7 89834 1/4" TUBE, BURNER/REGULATOR 1 8 89838 1/4 CC X 3/8-27 FITTING 1 9 89839 1/4 COMPRESSION NUT 1

10 89840 1/4 COMPRESSION SLEEVE 1 11 24612 PILOT BRACKET 1 12 89872 "O.P. AMERICA" NAT. PILOT 1

89873 "O.P. AMERICA" L.P. PILOT 1

N/S 83437 #8-1/2 HX HD SCREW (TO MOUNT PILOT) 2

13 89841 3/16 COMPRESSION NUT 1 14 89842 3/16 COMPRESSION SLEEVE 1 15 89829 #47 NATURAL BURNER ORIFICE(FRONT) 1

89836 #55 L.P. BURNER ORIFICE (FRONT) 1

16 89830 #48 NATURAL BURNER ORIFICE(REAR) 1

89836 #55 L.P. BURNER ORIFICE (REAR) 1

17 24613 BURNER (PAINTED) 2 18 89826 LOG SET (CONSISTS OF 4 PIECES) 1

a 89826-1 FRONT LOG b 89826-2 REAR LOG -

c 89826-3 RIGHT TWIG -

d 89826-4 LEFT TWIG -

19 89856 3/16" LOXIT FITTING 1

N/S 86318 16GA WIRE LINK 1FT.

20 89855 PILOT TUBE 1

N/S = NOT SHOWN

Page 38

Turn off and let cool before servicing. Only a qualified service person should service and repair heater.

WARNING

TROUBLESHOOTING

NOTE: All troubleshooting items are listed in order of operation.

OBSERVED PROBLEM

When ignitor button is pressed, there is no spark at ODS/Pilot.

Appliance produces unwanted odors.

Appliance shuts off in use.

Gas odor even when control knob is in OFF position.

Ignitor electrode positioned wrong Ignitor electrode is broken Ignitor electrode not connected to ignitor

cable. Ignitor cable pinched or wet keep ignitor

cable dry. Broken ignitor cable Bad piezo ignitor

Appliance burning vapors from paint, hair spray, glues, etc.

Gas leak. Not enough fresh air is available for ODS/

Pilot to operate.

Low line pressure.

ODS/Pilot is partially clogged. Gas leak.

REMEDYPOSSIBLE CAUSE

Replace ignitor. Replace ignitor. Reconnect ignitor cable.

Free ignitor cable if pinched by any metal or tubing.

Replace ignitor cable. Replace piezo ignitor.

Ventilate room. Stop using odor-causing products while heater is running.

Locate and correct all leaks. Open window and/or door ventilation

Contact local gas company.

Clean ODS/Pilot. Locate and correct all leaks.

When ignitor button is pressed, there is spark at ODS/Pilot, but no ignition.

ODS/Pilot lights, but flame goes out when control knob is released.

Control valve defective. Gas supply turned off or manual shutoff valve closed.

Control knob not in PILOT position. Control knob not pressed in while in Pilot

position Air in gas lines when installed.

ODS/Pilot is clogged.

Gas regulator setting is not correct. Control knob not fully pressed in.

Control knob not pressed in long enough.

Manual shutoff valve not fully open.

Replace control valve. Turn on gas supply or open manual shutoff valve.

Turn control knob while in PILOT position. Press in control knob while in PILOT posi-

tion. Continue holding down control knob. Re-

peat igniting operation until air is removed Replace ODS/pilot assembly or get is

serviced Replace gas regulator.

Press in control knob fully. After ODS/pilot lights, keep control knob

pressed in 30 seconds. Fully open manual shutoff valve.

Page 39

TROUBLESHOOTING, CONTINUED...

ODS/Pilot lights, but flame goes out When control knob is released. (continued from page 17)

One or both burner do not light after ODS/pilot is lit.

Burner backfires during combustion.

Slight smoke or odor during initial operation.

POSSIBLE CAUSEOBSERVED PROBLEM

Thermocouple connection loose at control valve. Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This problem could be caused by either low gas pressure, or a dirty or partially clogged ODS/pilot. Thermocouple damaged. Control valve damaged.

Burner orifice is clogged. Burner orifice diameter is too small.

Inlet gas pressure is too low. Manifold pressure is too low.

Burner orifice is clogged.

Burner orifice is clogged or damaged. Burner is damaged.

Gas regulator defective.

REMEDY

Hand tighten until snug, then tighten 1/4 turn more. Contact local gas company.

Replace thermocouple. Replace control valve.

Clean burner or replace burner orifice. Replace burner orifice. Contact qualified service person.

Contact local gas company. Clean burner or replace burner orifice.

Clean burner or replace burner orifice. Replace burner. Replace gas regulator.

Logs appear to smoke after initial operation.

Heater produces a whistling noise when burner is lit.

No gas to pilot.

WARNING

Vapors from paint or curing process of logs.

Turning control knob to HIGH (3) position when burner is cold.

Air in gas line.

Dirty or partially clogged burner orifice.

LP-regulator shut down due to inlet pressure too high.

Problem will stop after a few hours of operation. Run the heater with the damper open if you have one, or open a window for the first few hours. Log heater is intended to be smokeless. Turn OFF heater and call qualified service person.

Turn control knob to LOW (2)

position and let warm up for a

minute. Operate burner until air is removed from line. Have gas line checked by local gas company. Clean burner or replace burner orifice.

Verify LP tank regulator is installed and set to 11" to 13"w.c. Replace regulator on heater.

Page 40

OPTIONAL F40 BLOWER KIT

THIS OPTIONAL F40 BLOWER KIT IS AVAILABLE WHERE YOU PURCHASED THIS

HEATER OR YOU CAN ORDER DIRECT FROM THE FACTORY BY CONTACTING

THE PARTS DEPARTMENT AT THE NUMBER AND ADDRESS ON THE BACK

PAGE OF THIS MANUAL.

BACK VIEW OF 9740

Page 41

NOTES

Page 42

LIMITED WARRANTY POLICY

Page 43

OWNERS MANUAL

HOW TO ORDER REPAIR PARTS OR "OPTIONS"

THIS MANUAL WILL HELP YOU TO OBTAIN EFFICIENT, DEPENDABLE SERVICE FROM THE FURNACE, AND ENABLE YOU TO ORDER REPAIR PARTS CORRECTLY.

KEEP IN A SAFE PLACE FOR FUTURE REFERENCE. WHEN WRITING, ALWAYS GIVE THE FULL MODEL NUMBER WHICH IS

ON THE NAMEPLATE ATTACHED INSIDE THE FRONT OF THE HEATER. WHEN ORDERING REPAIR PARTS OR OPTIONS, ALWAYS GIVE THE

FOLLOWING INFORMATION AS SHOWN IN THIS LIST:

1. The PART NUMBER

2. The PART DESCRIPTION

3. The MODEL NUMBER: 9740N / 9740L

4. The SERIAL NUMBER

BEFORE INSTALLING YOUR HEATER, FILL IN THE SERIAL NUMBER IN THE SPACE PROVIDED ABOVE FOR YOUR RECORDS.

UNITED STATES STOVE COMPANY

227 Industrial Park Rd., P.O. Box 151

South Pittsburg, TN 37380

(423) 837-2100

United States Stove C9947L User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual